package demo2;

import java.util.ArrayList;
import java.util.List;
import java.util.Random;

public class Test {
    public static final String[] SUITS = {"♠","♥","♣","♦"};
    //产生52张牌
    public static List<Card> buyCard(){
        List<Card> cards = new ArrayList<>();
        for (int i = 0; i < SUITS.length; i++) {
            for (int j = 1;j < 14;j++){
                Card card = new Card(j,SUITS[i]);
                cards.add(card);
            }
        }
        return cards;
    }

    public static void shuffer(List<Card> cards){
        Random random = new Random();
        for (int i = cards.size() - 1; i > 0 ; i--) {
                int j = random.nextInt(i);
                Card tmp = cards.get(i);
                cards.set(i,cards.get(j));
                cards.set(j,cards.get(i));
        }

    }
    public static void main(String[] args) {
        List<Card> cards = buyCard();
        System.out.println(cards);
        System.out.println("洗牌：");
        shuffer(cards);
        System.out.println(cards);

        //3个人，每个人轮路揭牌5张
        List<Card> hand1 = new ArrayList<>();
        List<Card> hand2 = new ArrayList<>();
        List<Card> hand3 = new ArrayList<>();
        List<List<Card>> hand = new ArrayList<>();
        hand.add(hand1);
        hand.add(hand2);
        hand.add(hand3);

        for (int i = 0; i < 5; i++) {
            for (int j = 0; j < 3; j++) {
                Card card = cards.remove(0);
                hand.get(j).add(card);
            }

        }
        System.out.println("第一个人的牌：");
        System.out.println(hand1);
        System.out.println("第二个人的牌：");
        System.out.println(hand2);
        System.out.println("第三个人的牌：");
        System.out.println(hand3);



    }
}
